IT may seem odd that ads for Eddie Murphy‘s comedy “Norbit” don’t mention his co-star, red-hot Thandie Newton , fresh from last year’s Oscar-winning “Crash.” But Newton is more than happy with the anonymity. “If I were younger and needed to play that whole game, then it probably would be an issue. But I am an actress, not a celebrity,” she tells BestLifeOnline.com. “I’m in the enviable position of having earned the respect of Hollywood and being under the radar in this whole celebrity culture. How cool is that?”